删除 project-development 用例里空的用户面边界注册函数

- 删除 apps/ai-game-creator-shell/tests/appSurface/project-development.suite.ts 里空的 registerUserSurfaceBoundaryTests
- apps/ai-game-creator-shell/tests/appSurface.test.ts 去掉对应 import 与调用
- 它注册 0 条用例，留着只会让人以为用户面边界仍有覆盖

apps/ai-game-creator-shell/tests/appSurface.test.ts

@@ -22,7 +22,6 @@ import {
   registerProjectAgentStatusTests,
   registerProjectWorkbenchFoundationTests,
   registerProjectWorkbenchNavigationTests,
-  registerUserSurfaceBoundaryTests,
 } from './appSurface/project-development.suite';
 import { registerProjectPreviewAndRunHistoryTests } from './appSurface/project-preview.suite';
 import {
@@ -50,7 +49,6 @@ describe('AI 游戏创作 App 界面边界', () => {
   registerProjectWorkbenchFoundationTests();
   registerAuthTests();
   registerAgentStatusDerivationTests();
-  registerUserSurfaceBoundaryTests();
   registerClientHomeTests();
   registerHomeProjectCreationTests();
   registerRuntimeSettingsTests();

apps/ai-game-creator-shell/tests/appSurface/project-development.suite.ts

@@ -6553,8 +6553,6 @@ export function registerProjectWorkbenchFoundationTests() {
   });
 }
 
-export function registerUserSurfaceBoundaryTests() {}
-
 export function registerProjectWorkbenchNavigationTests() {
   it('keeps project switching inside the single-window client flow', async () => {
     const invoke = vi.fn(async () => undefined);